TY  - BOOK
ED  - National Symposium on Fracture Mechanics (13th : 1980 : Philadelphia, Pa.)
ED  - Roberts, Richard
ED  - American Society for Testing and Materials. Committee E-24 on Fracture Testing of Metals
TI  - Fracture mechanics: proceedings of the Thirteenth National Symposium on Fracture Mechanics a symposium
T2  - ASTM special technical publication
PY  - 1981///
CY  - Philadelphia, Pa.
PB  - The Society
KW  - Fracture mechanics
KW  - Congresses
ER  -